CVE-2023-47471

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 52.9% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-11-16 00:00Z2 YR AGO

Last updated

2024-08-02 21:09Z2 YR AGO

Reserved

2023-11-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

baa5ec7b20feec698b2b7a71a4aa0be265755d9301102d1bd832e5acdaa20ea3

• github.comhttps://github.com/strukturag/libde265/issues/426
• github.comhttps://github.com/strukturag/libde265/commit/e36b4a1b0bafa53df47514c419d5be3e8916ebc7
• lists.debian.org[debian-lts-announce] 20231130 [SECURITY] [DLA 3676-1] libde265 security updatehttps://lists.debian.org/debian-lts-announce/2023/11/msg00032.htmlmailing-list